Cleaning sheet



FIG. 1 is a perspective view of a cleaning sheet;

FIG. 2 is a top view of the cleaning sheet;

FIG. 3 is a side view of the cleaning sheet;

FIG. 4 is a further side view of the cleaning sheet;

FIG. 5 is a front view of the cleaning sheet;

FIG. 6 is a back view of the cleaning sheet; and,

FIG. 7 is a bottom view of the cleaning sheet. 

CLAIM The ornamental design for a cleaning sheet, as shown and described. 